The kit costs $29.99. It contains cotton swabs for taking cells from inside the mouth. The swabs are sealed in plastic bags and sent with a consent form and a $119 fee to a lab. In three to five days, results can be accessed online. Rite Aid has ordered 10,000 more for all its stores except those in New York, where state law requires a court order or medical prescription.

So what's to stop New Yorkers from crossing state lines to buy the kit?

The kit costs $29.99. It contains cotton swabs for taking cells from inside the mouth. The swabs are sealed in plastic bags and sent with a consent form and a $119 fee to a lab. In three to five days, results can be accessed online. Rite Aid has ordered 10,000 more for all its stores except those in New York, where state law requires a court order or medical prescription.

So what's to stop New Yorkers from crossing state lines to buy the kit?